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Why is an int in OCaml only 31 bits?
Haven't seen this "feature" anywhere else. I know that the 32nd bit is used for garbage collection. But why is it that way only for ints and not for the other basic types?
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Break a previous commit into multiple commits
Without creating a branch and doing a bunch of funky work on a new branch, is it possible to break a single commit into a few different commits after it's been committed to the local repository?
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Why is lazy evaluation useful?
... I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
22 Answer...
Understanding __get__ and __set__ and Python descriptors
...ly implements __get__, __set__, etc. and is then added to another class in its definition (as you did above with the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descriptor to (celsius in the above example) calls t...
How to read the value of a private field from a different class in Java?
...e a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example,
why should I need to choose private field is it necessary?
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Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
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SQLite UPSERT / UPDATE OR INSERT
I need to perform UPSERT / INSERT OR UPDATE against a SQLite Database.
7 Answers
7
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When do we need curly braces around shell variables?
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In this particular example, it makes no difference. However, the {} in ${} are useful if you want to expand the variable foo in the string
"${foo}bar"
since "$foobar" would instead expand the variable identified by foobar.
Curly braces are also unco...
How does a hash table work?
...xplanation in layman's terms.
Let's assume you want to fill up a library with books and not just stuff them in there, but you want to be able to easily find them again when you need them.
So, you decide that if the person that wants to read a book knows the title of the book and the exact title to...
Add .gitignore to gitignore
Is it possible to add the .gitignore file to .gitignore itself?
6 Answers
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